Tooth brush



P. J. ROTH.

TOOTH BRUSH.

APPLICATION FILED MAR. 21. I919.

mm mh Patented July 1, 1919.

ATTORN EY- t'ipcoii'icotioo of 'i'iettom iiiototiti w A. ,m-

.tipplioiitioii illoti liiiliiioii 221, with iiotiiili ft i'o. vttfiiifiim 'oizitcs to iiiipto'tomciits in tooth brushes and ions for: its priiioipoi oi icct the provision oi 2t tooth brush having it ciotiichoiiio anti tovei'sibio biistio-czwrying iii-ooh hood,

it ii 1i. further object oi the invoi'ltion to pro-- i'iiio :1 tooth brush having; sfiptil'iiiiiy conliljfifititi portions to iitiztpt the i'H'USii to bo pizxcoti in. 2% omoii box or cziso.

in the drawings--- i igui'o 1 {L side ciovatioii partly in mi ticui scction showing the brush;

Fig. 2 :1, bottom plain view;

Fig. 3 a bottom plan View, brush iiflflti i'ci'oovoti, and,

Fig" i ii perspective viow oi the iiotooimiiio and rows aibio brush hood.

iioi'orrmg to tho drawings by numoiais, 3. tics" oitos tiio brush hoati or in isilo-carrying to which the tufts of hristics 2 are so The bristieo increase in length from .iicidic ioimi'ci each and 01' the brosh'to form it con-com rubbing ifaoo. The brush ho; i 1% 0i oiongaitmi rectangular form and is prom-nod zit catch em]. with on intogi'oi lug i'eotoiiguim" in cross section "ifiio brush hood 1 is adapted. to 'seat in in rooms 4. formed by cutting away the under oi the brush book or blUSi1 i1\'-3flfi holding pmtiQll 5 intermediate its oncis, one of the iflgE-E 3 being adapted to engage in an angular sociiot 6 iii the book 5 at one end of saiti to coss and the other h1g3 being adopted. to seat in an angular channel 7 formed in time back 5 at the. opposite onci oii tho recess The brush hood 1. is ietaohaoiy iockod in 111308 by it rotatable occo nttio iooking pizito 8 having a moiiiiod odgo portion 8 adapted to engage tho inner end of the brush hood and an oppositely disposed straight edge portion 8, Tho iooking iiate 8 is rototaioiy iioid to tho tiiiciot side oi the head hoiiiing portion 5 by moons of a pivot pin 9 Whiq ii 133E585 through soiti plate at one side of tho contei" thotooi adjacent the straight edge portion 8 of tho p z it Wiii be; obvious that when thopiato i9 rott tod to the position shown in Figs. it and showing the vitio 2L dotocimiiio 2 with its oocootrio portion overlying tho open siitic oi oiiooiioi '8' mo .io edge 8 co gagiiiy tiio inner end of tho brush hooti 1, that t). o brush iiczici Wiii he soourciy iooitcci to tho hook, or iiiruoii iiooti hoiti pOTiJiUli 'iin Tio prcvoot ocoitioottii rot? pioto 8; mod oizso to -oi. down tho oi-ooh ot tho homiio to ho soi'oWo-ci on ittiitioiioti oiiooiit iotmoti on tho imioi: cod. of tho boot. ii the minor end of i utiio iooitiiig Mi imocionggsoiti iioiitiio being; otioptoii to oiigiigc thostisziightoo o 8' tilt; iooiiiii t plate "when the hontiio tiitooototi oiitiic I nit ii to JEQVBIH', totiitioo of tho pioto pi'tttitiiiy or Wiioiiy iiosctowing; tiio iitiiitiio 10 it Wiii Too soon that om o 8 may be tototoii to to ioziso tho him i, hood; to permit o now brush new to be substituted toi one Wiioso bristles have become wow 01' to potiiiit reversal of th s brush-hood .[io is Woii known the bri$- tieo at tho outer eiici oi? o tooth iit'iisii os pe- 1 oioiiy iii iiiusiios having cone-Mo iii-cs, ho

como Worn 01E iitoitoii touch more ropiiiiy than the iotistioo at tho iimoi anti oi: the

btusio iiioi it is obvious tiizitby providing moons Wiioroby tho brush hood may be to VBI'SBCi .tiio osotiiinoso oi tho brush wiii be.

greotiy piroiongcti What i cioiiio is:

L A tooth brush comprising 211 back portion having it rooms in itii uniioi" side anti provided with o socitot and a oimnnei open ing into oppooito ends of said recess, a bristle-cortying hood rooted in said recess anti provided with projections engaging in Sfilti socket anti oimiimoi 2i iooitiiig plate rotiitobiy iieloi to the undoi" oitio oi the back portion at jacont said channel having on occontric por- 'tion and on oppoiiitoiy disposed stroll kit edgo and o iiontiio ciotaciiobiy heiti t-oitio ii'moicod oi? the hock portion midi aciii gtci to ongogo tho ssmigiit ocigo oii ooiti'piiita hoid the pia'te in its iociting position.

2. A. tooth hi'iisii committing book "pottion having; at tocossi in its utiiiot sicio o to vo 'siiiio biotin hood sootoii in. midi iccoso, o

i'oto-toiiio looking" pinto oivotaiii y iioiti to tho,

motion oicio of tho iiiicii: portion tici'optcoi to he oiiiiitoci to cover and. uncover a. portion oi the ititiisii hos-iii 6.1M], iii miio tiotociioibiy iioiti to mama and oi? tho book; pottion adopted to oiigogo soici iooii" pisito to hold tho oomo in looking position.

A. tooth ifli'USi'lt compi'ioiog 21. book poo Hm I tion having a threaded shank at one end and a recess in its under side and provided at one end of said recess with a socket and at the opposite end of said recess with a channel both opening at one end into the recess, a. removable bristle-carrying head seated in said recess end provided at opposite ends with progeotlons engaging in said socket andchannel, means shiftably held to the back portion adapted to be moved to and from :1 10

position overlyin the open side of said channel, and a mndle threaded on said shank adapted to normally hold said means in position overlying the channel.

This specification signed this fourteenth 15 day of March, A. D. 1919.

' I PIUS J. no'rn: 

